Handle prices that include commas.

Fixes #136
Subtract quantity sold from quantity available

Fixes #138
Merge pull request #137 from theodi/bugfix-136-commas

Handle prices that include commas.
Merge pull request #139 from theodi/bugfix-138-ticket-count

Subtract quantity sold from quantity available
Fix ticket count to match cassette

As sold tickets are now taken into account correctly.
Merge pull request #140 from theodi/bugfix-138-ticket-count

Fix ticket count to match cassette
Remove queue manager code (moved to services-manager)
Update README and remove env.example
Don't load dotenv, rely on the app outside to do it.
Remove thin and foreman. Only needed for manager.
Fully specify dependencies in Gemfile and remove Gemfile.lock
Create gemspec and include dependencies
Resolve dependency issues

Included activemodel explcitly so that builder resolves correctly
Allow configuration of redis server location
Ignore gemfile.lock
Add queue and #perform stub for signup processor
Merge pull request #143 from theodi/feature-signup-processor-queue

Add queue and #perform stub for signup processor
Merge branch 'refs/heads/master' into feature-141-gemification
Merge pull request #142 from theodi/feature-141-gemification

Feature 141 gemification
removed redundant signup.feature and associated signup_steps.rb (both moved to member-directory)